Howlite Structure Data

Howlite Structure Data
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Howlite

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Howlite
Formula: Ca2 Si B5 O14 H5
Name: Howlite
Unit cell: 12.78 9.33 8.6 90.0 104.83 90.0 , V=991.28
Space group: P121/C1 (14)

Finney J J , Kumbasar I , Konnert J A , Clark J R , American Mineralogist , 55 (1970) p.716-728, Crystal structure of the calcium silicoborate, howlite

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